 | | Report (issue) | | 910(1) α = 90.35(2)◦ X-ray Powder Pattern: Chursdorf, Germany. 3.151 (vvsb), 4.642 (vs), 2.955 (vs), 3...6.47 3.07 2.72 Total 100.02 100.00 (1) [Chursdorf, Germany]; by electron microprobe, corresponds to...pollucite, tourmaline (pegmatites); cassiterite, topaz, mica (greisens). Distribution: Much less common...analyzed material include: from Chursdorf and Arnsdorf, near Penig, Saxony, Germany. On Utö Island, near Stockholm...angle. Type Material: Mining Academy, Freiberg, Germany, 20336. References: (1) Palache, C., H. Berman |  | | Journal (article/letter/editorial) | | Viisterbotten, montcbrasite, 414. Germany (Deutschland) Chursdorf, Penig, Saxony, amblygonite, 414. Drachenfels...mercury, metacinnabarite, xlii. Meldon, Devon, topaz, 717; anablygonite, montebrasitc, 414; axinite, |  | | Journal (article/letter/editorial) | | i28. Amblygonite, France, Maine, New South Wales, Saxony, anal., cell-dimensions, distinction from montebrasite...albite, I56; - - , anal., d2o i, 489. Amoibite, Germany, anal., opt., X-ray, 26. Amos Stream, New Caledonia...NAWAZ) and HOWIE (R. A.), Axinites from Devon, 45; Topaz from the Meldon aplite, 717. Chikla, India, juddite...Chromite, Egypt, 394; New Zealand, 375. Chursdorf, Penig, Saxony, amblygonite, 414. Cinnabar, Yorkshire...with hornblende, 923. Dadsonite, Canada, Nevada, Germany, and synthetic, anal., opt., X-ray, 437. Darkainle |  | Groat, Lee A., Chakoumakos, Bryan C., Brouwer, Darren H., Hoffman, Christina M., Fyfe, Colin A., Morell, Heiko, Schultz, Arthur J. (2003) The amblygonite (LiAlPO4F)-montebrasite (LiAlPO4OH) solid solution: A combined powder and single-crystal neutron diffraction and solid-state6Li MAS, CP MAS, and REDOR NMR study. American Mineralogist, 88 (1) 195-210 doi:10.2138/am-2003-0123 | Journal (article/letter/editorial) | | common constituents of granitic pegmatites and topaz-bearing granites, show complete solid solution with...meters in size, and they are also found in F-rich topaz-bearing granites. The amblygonitemontebrasite solid...epidote, crandallite, humite, micas, pyrochlore, and topaz. The amblygonite minerals are ideal for studying...and “Saxony” (California Institute of Technology no. 13696) is from the State of Saxony in Germany. We... as shown by the general lack of topaz in these rocks. In the topaz-bearing granites of western Europe |  | | Journal (article/letter/editorial) | | exceptfor the Na-rich specimenAF-55. AF-65: Chursdorf, Saxony, B.M.N.H. 14, 274; translucent fragments with...and X-ray determinativemethods fer fluorine in topaz. Amer. Mineral. 56, 1812-1821. SrrraoNov. V. I. |  | | Book | | A. Jobbins Butterworth-Heinemann Gem Books Topaz m(JTTERWORTH EINEMANN Butterworth-Heinemann Ltd...Library Cataloguing in Publication Data Hoover, D. B. Topaz. - (Butterworth-Heinemann Gem Books Series) I. Title...Profile xii 1 Topaz - Historical perspectives 1 Introduction 1 Etymology of topaz 1 Topaz in ancient times...times 3 Topaz in Roman times 8 The Dark Ages 12 The Middle Age~ - topaz changes colour The beginning of...of empiricism 15 13 2 Large and important topaz gems and crystals 20 Introduction 20 Giant uncut crystals |  | | Book (volume) | | as Fahlerz are found in veins near Freiberg in Saxony, and in beds in Anhalt, in the county of Gomor... P. 1. P. . 4- oo. (p r Pr. Braunsdorf, Saxony. 1. 5 I) P 1. Neusohl, Hungary. oo. (Pr...Hartz. It occurs at Brauns- halt, also at dorf in Saxony in a vein of rhombohedral Quartz, containing argentiferous...Marienberg, Annaberg, Schneeberg, Johanngeorgenstadt in Saxony ; in Bohemia, principally at Joachimsthal ; at...compact, as in some of those from JZschopau in Saxony. The Blue Lead from Cornwall sometimes shews composition |  | | Book | | Adularia Felspar. 7. 8. Transparent Rock-crystal. Topaz. Corundum. Diamond. L. Lustre. The kinds 9. 10...P. L. Hurlet near Paisley, Goslar in the Hartz, Saxony, &c. chiefly from the decomposition of iron-pyrites...Cornwall, in delicate acicular crystals ; Cumberland; Saxony; the Hartz; Siberia, Bohemia, &c., chiefly with...Yorkshire ; Leogang, in Saltzburg ; Braunsdorf, Saxony. Note. carbonate of Strontia mixed with a considerable...lime 5-4, from Nagyag, Berthier P. L. Freiberg, Saxony ; Kapnic and Nagyag in Transylvania ; with quartz |  | | Book (volume) | | Rammelsberg near Goslar in the Hartz, at Schwarzenberg in Saxony, in several mines at Schemnitz in Hungary ; also...crystallised and massive, in different parts of Germany, 4. countries. many particularly in Mansfeld...from Montmartre near and the scaly Paris from Saxony and Thuringia. 5. This species is variously employed... 1. (P) Vol. I. D (*), Vol.1. Fig. 31., As Saxony. (#), Cornwall ; (#), B, Vol.1. Fig. 33. Ca...Char. of. 34-. Comb. Combinations. Vol. I. Saxony ; Tessular. 1. H. O. Vol. I. Fig. 3. and |  | | Book | | answer the purpose extremely well, and are sold in Germany at a — — — — very cheap rate. Besides occurring...variety. : — INTEODUCTIOK xviu 7. Quartz 8. Topaz a transparent variety. a transparent variety. 9...examples of pyro-electric minerals, as are also Topaz, Axinite, Scolecite, Prehnite, Electric Calamine...Sinter, or Fiorite. Geyserite. Tripoli. False Topaz, or Citrine. Smoky Quartz, or Cairngorm. Morion...Silicates Indianite. Amphodelite. Yellow Topaz. SapBlue Topaz, or Brazilian phire. _ , ^ Pingos d'agua |  | | Book (edition) | | Euclase, 23. Beryl, 24. Chrysoberyl, Werner, 25. Topaz, 26. Spinel, Werner, 27. Corundum, 28. Diamond,...kingdom . A crystal of quartz, iron -pyrites, or topaz, is an individual in the high est sense of the word...the planes, they are longitudinally streaked , (topaz ; ) if parallel with the breadth of the lateralplanes...grey ; the color of several sorts of white wine. ( Topaz and fluor.) 8. Cream - yellow . A pale yellow color...adularia. 7. Quartz. Limpid and transparent. 8. Topaz. In crystals. 9. Corundum . The easily clearable |  | | Book | | any perfectly cleavable variety. 7. Rock 8. Topaz, any simple variety. crystal, limpid and transparent...tinge of brown, as in in Wine-yellow 7. Saxon topaz. ; 5. a very improper denomination, but is ...electricity at 1 The all Crystals of tourmaline, topaz, and the reverse. others, present, and, generally...Thus that of calcareous spar at Schneeberg in Saxony and calcedony ; in up the vacuities previously...Chrysoberil. 18. Boracite. 6. Diamond. 19. 7. Topaz. 20. Idocrase. 8. Euclase. 21. •Helvine. 9 |  | | Book (edition) | | or cleavable Tarieties. Pel spar. 7. Quartz. 8* Topaz. 6. 9. 10. Corundum. Diamond. 1 J The hardness...quartz, spinelle, idocrase, garnet tourmaline, topaz, felspar malachite in the forms of cbes^lite, towanite...Datholite. 99 Amplubole. 99 AuiBfite. 99 Augite. Topaz. 9f Felspar. 99 Ne[)lu']iQe. > Mica Mica Mica...quartz, kyanite, ; beryl, chrvsubt^yl, anatase, topaz, spineUe, corundum, <;aruet, &c. ; in the district...Marieuberg, Johann-Georgenstadt and Altenberg in Saxony, Bieber in Hanau, I^edrichrode in Thnringia, Schlackenwald |  | | Book (edition) | | is con- A crystal of Quartz, Iron-pyrites, or Topaz, is an individual in the highest sense of the word...planes. as the Diamond, the Emerald, and the Topaz, metals, and the as well as the ores of certain...with a little red and grey 5 of white wine. Ex. Topaz and Fluor. the color of several sorts the color... PHYSICAL PROPERTIES OF MINERALS. In crystals. 8. Topaz. 9. Corundum. Diamond. 10. The sen 117 The...friction, in a large of earthy minerals, as Quartz, Topaz, Emerald, &c. and even in some salts. In the same |  | | Book (edition) | | undoubtedly that of perThe superiority which France and Germany sonal instruction. have attained in mineralogical...division with ease only in one direction, of which the topaz is an instance : many others might be adduced....perfectly lamellar in one direction only , as the topaz for instance; others cleave readily in one direction...steatite, selenite, calcareous spar, floor, felspar, topaz, quartz, ruby and diamond are of different degrees...same proportion from the cryolite; of the Saxon topaz and the pycnite it forms 5 to 6 per cent; it has |  | | Book (edition) | | manufactured of great perfection at Siegen, in Germany. Pasteboard models, likev/ise useful aids to the...* Ileniiniorphic forms characterize the species topaz and calamine. The latter (in f. 211) has only the...presence of fluids in In later years the matquartz, topaz, beryl, chrysolite, and other minerals. ter has...affording smooth, lustrous surfaces, as in mica, topaz, calcite. Inferior degrees of cleavage are spoken...it takes in a species. it is called basal, as in topaz; parallel to the prism, as in amphibole, it is called |  | | Book (edition) | | manufactured of great perfection at Siegen, in Germany. Pasteboard models, likewise useful aids to the...humite.* Hemimorphic forms characterize the species topaz and calamine. The latter (in f. 211) has only the...form f-f. 237 Fig. 237. 238, give another example (topaz) from the orthorhombic system. The dotted lines...presence of fluids in In later years the matquartz, topaz, beryl, chrysolite, and other minerals. ter has...affording smooth, lustrous surfaces, as in mica, topaz, calcite. are of of as or indistinct spoken distinct |  | | Book (edition) | | cleavage with ease only id one direction^ of which topaz is an instance. The structure of such in this mineral...are perfectly lamellar in one direction only^ the topaz, for instaacc otlu rs cleave readily in one direction...variety. 7. Rock crystal, limpid and transparent. 8. Topaz, any simple variety. 9. Corundum stone from Bengal...first pointed out this metal in a minefound in Saxony, called pitc/iblcude, I'rom which it may be extracted...occurrence in pseudomorphaus crystals ; at Schneeberg in Saxony, it assumes the forms of various calc-spars ; at |  | | Book (edition) | | manufactured of great per; fection at Siegen, in Germany. Pasteboard models, likewise useful aids to the...humite.* Hemiraorphic forms characterize the species topaz and calamine. The latter (in f. 211) has only the...3 -J. 237 Fig. 237. 238, give another example (topaz) from the orthorhombic system. The dotted lines...presence of fluids in In later years the matquartz, topaz, beryl, chrysolite, and other minerals. ter has...affording smooth, lustrous surfaces, as in mica, topaz, calcite. degrees of cleavage are spoken of as distinct |  | | Book (edition) | | Straw -yellow : very pale yellow. Some varieties of topaz. Zinc 3. Wax - yellow : yellow with gray and some...Wine-yellow : pale yellow, with some red and gray . Topaz mi fiuor. CHARACTERS DEPENDING ON LIGHT. 75 ...-yellow : very pale yellow . Some varieties of topaz . 3. Wax -yellow : yellow with gray and some brown...pale yellow, with some red and gray. and fluor. Topaz CHARACTERS DEPENDING ON LIGHT. 75 8. Cream -...their pyro -electric property. Turmaline , Lemery. Topaz, Canton . Axinite, Brard . Boracite, Haüy . Mesotype |  | | Book (volume) | | France, it is quite inconceivable that in Germany, and Italy, in climates and exceedingly different...Family 4. Vesuvian Gahnite 5. Grossularia I. Topaz 6. Melanite 2. Schorlite 7. Allochroite 8...must exist in great abundance. It occurs also in Germany, Italy, and Spain. It is always in shapeless masses...fa- This family contains 9 species, namely, topaz, rophysalite, euclase, emerald, peliom, iolite...and py- jibrolite. Topaz* Occidental ruby, topaz, and sapphire. The name topaz has been restricted |  | | Journal (volume) | | Peach-Blossom Coloured Mica, from Chursdorf, near Penig, By in Saxony. C. G. Gmelin, Professor of Chemistry...aggregated to globular groupes, from Braunsdorf, Saxony, 7. Celestine, fragment of a cleavable white translucent...trans- lucent, 12. 4.415 4.415 from Marienberg, Saxony, Heavy 4-30 spar, the variety called prismatic...of lead) a single green crystal, from Zschopau, Saxony, 7.098 28. Arseniate of lead, bright yellow crystals...crystals, from Johanngeorg- enstadt, Saxony, There is 7.212 a considerable difference between this |  | | Journal (volume) | | Peach-Blossom Coloured Mica, from Chursdorf, near Penig, By in Saxony. C. G. Gmelin, Professor of Chemistry...aggregated to globular groupes, from Braunsdorf, Saxony, 7. Celestine, fragment of a cleavable white translucent...trans- lucent, 12. 4.415 4.415 from Marienberg, Saxony, Heavy 4-30 spar, the variety called prismatic...of lead) a single green crystal, from Zschopau, Saxony, 7.098 28. Arseniate of lead, bright yellow crystals...crystals, from Johanngeorg- enstadt, Saxony, There is 7.212 a considerable difference between this |  | | Book (edition) | | are much particular mineral species, such as topaz, for example, may be widespread and abundant throughout...color are exceedingly uncommon. Pink and orange gem topaz, seen in a geological context, are so rare that...factors. Finally, there is scarcity in size. Topaz, for example. ROCK TYPES occurs in crystals that...ever, topaz crystals of a fine pink color are never seen in sizes larger than a white topaz topaz is...as follows: DENSITY 1. Talc 5. Apatite 8. Topaz 2. Gypsum 6. Feldspar 9. 3. Calcite 7. |  | | Book (edition) | | geologic factors. Finally, there is scarcity in size. Topaz, for example, occurs in crystals that weigh hundreds...usually colorless or very pale yellow or blue. But topaz crystals of a fine pink color are never seen in...A huge faceted gem of white topaz is not rare, but a 10 carat pink topaz would be. Likewise, rubies of...much rarer. A particular mineral species, such as topaz, for example, may be widespread and abundant throughout...color are exceedingly uncommon. Pink and orange gem topaz, when viewed in a geological context, are thus seen |
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